#include"./mylib/include/mystdio.h"
#include"./mylib/include/mymath.h"


int main()
{
  int a=10;
  int b=20;
  printf("%d+%d=%d\n",a,b,myAdd(a,b));
  printf("%d-%d=%d\n",a,b,mySub(a,b));

  myFILE* fp=my_fopen("file.txt","w");
  if(fp==NULL) return 1;
  const char* msg="hello linux\n";
  my_fwrite(fp,msg,strlen(msg));
  my_fclose(fp);

  return 0;
}
